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Thread: 921 bulb for cargo light?

  1. #1

    Default 921 bulb for cargo light?

    First, let me explain the application:
    • 2002 Ram 2500 (think '94-01 Dodge truck, the 2500 was an old body style carry-over in '02)
    • 921 bulbs used in the cargo lights, the two white lights next to the CHMSL at the top rear of the cab
    • These cargo lights can only turn on when the cab interior lights are on - they can't be lit when the truck is driving as I couldn't see to drive with the cab interior lights on
    • The CHMSL takes different bulbs, so what I am asking for can't be used there and I will not be changing those bulbs
    • The cargo light lens is textured to make a flood pattern



    I am looking for brighter, LED bulbs for the cargo light position. The 921 bulb there now is mounted with the socket facing out so the top of the bulb is facing the lens (the way a flashlight bulb is mounted). The location has only a partial reflector - the mounting location is a square opening and only the two sides have a reflector, not the top and bottom. I don't want to go with a higher power incandescent bulb out of concern for heat in the all plastic housing. It seems that this would be a good application for a high power directional LED replacement.

    I have considered this application for some time before posting. I do not believe I have violated any rules about asking for an illegal application. If I have broken the rules in some way, it would be helpful to me to learn what I missed.

    Thanks!

  2. #2

    Default Re: 921 bulb for cargo light?

    Quote Originally Posted by fangle View Post
    I am looking for brighter, LED bulbs
    No such item. You can find "LED bulbs", but they will not be brighter.

  3. #3
    Flashaholic*
    Join Date
    Dec 2007
    Location
    USA
    Posts
    1,637

    Default Re: 921 bulb for cargo light?

    I guess I should come up with spray in GITD bedliner.
    or at least a white version of the Rhino liner.

  4. #4

    Default Re: 921 bulb for cargo light?

    I had the same problem in my 1990 dodge truck, but just kept a portable battery powered magnet mount light in the glove box, for night loading/unloading.

  5. #5

    Default Re: 921 bulb for cargo light?

    Figure a way to flush-mount these in the bed:
    http://www.rigidindustries.com/Duall...od-p/21111.htm

    I just saw them at a show and my head was spinning with the possibilities for the work/offroad truck market.


  6. #6

    Default Re: 921 bulb for cargo light?

    Try searching for 4 X 4 rock lights. Four wheelers use them when driving over rough terrain at night. Many are LED.

  7. #7

    Default Re: 921 bulb for cargo light?

    Headlamp. The kind that straps on your head, not the kind that goes on the front of a car or truck.
    Got Biodiesel?

  8. #8
    Flashaholic bnemmie's Avatar
    Join Date
    Jan 2010
    Location
    The UP
    Posts
    226

    Default Re: 921 bulb for cargo light?

    You could do what I did and run strings of LED emitters under the bed rails and wired them into the light on my topper and the cargo light on the cab. So I can either light everything up from the cab or the rear of the truck. Nice even, smooth light all around my 8 foot bed. Took a little bit of work to make everything clean but Ive powerwashed the bed out sveral times so far and nothing has stopped working yet.
    "I don't fail, I succeed at finding what doesn't work." -Chris Titus

  9. #9

    Default Re: 921 bulb for cargo light?

    Quote Originally Posted by bnemmie View Post
    You could do what I did and run strings of LED emitters under the bed rails and wired them into the light on my topper and the cargo light on the cab.
    I would be doing that if the truck didn't have an over the rail bed liner.

  10. #10
    Flashaholic
    Join Date
    May 2009
    Location
    New Jersey
    Posts
    454

    Default Re: 921 bulb for cargo light?

    get a 12volt led or CFL magnetic drop light and adapter plug for the trailer hitch socket and actually see your cargo in the bed. the cab mounted cargo lights just dont cut it

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